Here is the step by step guide to making Nova Launcher look exactly like Pixel launcher:

Step 3: Now you need to make some tweaking to the launcher. Launch the Nova launcher settings and click on Desktop option. Click icon layout and increase it to 125%, change the desktop grid size to 5*5. No go back and scroll down and click “Page indicator” and make it to “None” and then enable “Swipe to drawer indicator”. Then Go back to the main menu.

Step 4: Now select “App and widget drawers”. Change icon size to 115% and change the color to match with pixel launcher. Also, change grid size 5*5. Go back to disable “Card background” and enable “Swipe to open”. You have to also enable “Search bar option”. Go back to the main menu.

Step 5: Now select “Doc”. Here just change the “Icon layout” to 115%. Go back and select “Folder” and click on “Folder background” and choose “N preview” to exact look of Android N folder. Change the icon layout to 115%. Go the main menu.

Step 5: Select “Look and feel” then go to “Icon theme” and select “Candy Cons” icon. That’s it. Just change the search bar style by following the procedure stated in the video.

Here is video showing the whole procedures are nicely described in the following video:

You have to have Nova Settings -> App & Widget Drawers -> Swipe To Open enabled. Then you can enable Nova Settings -> Desktop -> Swipe To Drawer Indicator and make sure you change your Page Indicator to None or Line.